Unique wrinkles as identity tags

Jie Yin () and Mary C. Boyce ()
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Jie Yin: Temple University, Philadelphia, Pennsylvania 19122, USA.
Mary C. Boyce: Mary C. Boyce is in the Fu Foundation School of Engineering and Applied Science, Columbia University, New York, New York 10027, USA.

Nature, 2015, vol. 520, issue 7546, 164-165

Abstract: Spontaneously generated, random wrinkles of coatings on microscale particles have been found to be analogous to fingerprints — unique patterns with a wavy topography that can serve as unclonable tags for anti-counterfeiting purposes.

Date: 2015
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DOI: 10.1038/nature14380

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